OpenTechnical

OT-2026-000071445

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000071445) never changes.

Identity and time

Publication numberOT-2026-000071445 · never reused
Internal UUID01a0ae91-e0ed-75ab-bbb5-a30b2468fbe6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071445
StatusPUBLIC

Content hashes

Canonical texte7f174845e53ca7b48332c91a6602188584532694ff2754d73f576e8f77be1a8
Markdown01d2d8c97131fe6ae688030be8b185bdc3981204ab104f3d680d105490c9ee47
PDF
Publication page709a06fed42c8fef6dfb74b113f8de1d9033539f9751ae0e1e4348e89d47bb49
Manifest44c1a25d170f68f879e96b489e5e5e18ab1218b1f120d967b9dfbf2ef7e82c4e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureNKjZXmMxGdrM9nqSubuMW2EW/r5sMFPDFoWGICmt6OJqNYjb6GV/EQNWEdbE/xQzehlJq7Ri/jfz2Jcb2utmCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:05.124222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071445
observed 709a06fed42c8fef6dfb74b113f8de1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:05.105506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071445/manifest.json
observed 44c1a25d170f68f879e96b489e5e5e18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:05.086662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071445/publication.md
observed 01d2d8c97131fe6ae688030be8b185bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:05.067665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071445/publication.txt
observed e7f174845e53ca7b48332c91a6602188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.